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DES MOINES -- President Obama wrapped up his re-election bid Mondaynight - "his last campaign" - in the state that launched hispresidential drive more than four years ago, asking voters in Iowa andacross the nation to send him back to the White House for a second term.

Speakingat the downtown street corner where his 2008 campaign office was setup, Obama told some 20,000 Iowa residents: "This is where our movementfor change began - right here."

Obama, whose win in the 2008 IowaDemocratic caucuses propelled him to the presidency, said the economyhas improved and the world has become more peaceful on his watch, andtold the crowd: "We're not done yet on this journey."

At times wistful, at times emotional, Obama teared up at one point. He later said: "We cannot give up change now."

First lady Michelle Obama, in introducing her husband, noted that this was her husband's last campaign rally as a candidate.

"Thisis a pretty emotional event for us," Mrs. Obama said, adding that onTuesday "we've got a chance to finish what we started here in Iowa."

Thelate night appearance in downtown Des Moines, just down the street fromthe Capitol Building, capped an election eve swing through threeMidwestern states that could decide his race with Mitt Romney:Wisconsin, Ohio and Iowa.

Singer-songwriter Bruce Springsteenaccompanied Obama throughout the day, singing some of his greatest hitsand urging Democrats to crank out the vote on Tuesday.

After the Des Moines appearance, Obama boarded Air Force One for a flight to his home in Chicago, where he will spend Tuesday.

Duringan early morning appearance in Madison, Wis., in the shadow of itsstate Capitol, Obama told some 18,000 supporters: "We have come too farto turn back now ... Now is the time to keep pushing forward."

Fromdowntown Madison, where residents began gathering in the early morninghours to hear the president as well as Springsteen, Obama traveled toColumbus, Ohio, for a rally in the city's hockey arena. That eventfeatured both Springsteen, the New Jersey rocker known as "The Boss,' aswell as Brooklyn-bred rapper Jay-Z.

Noting that it's "the lastday I'll ever campaign," Obama told supporters in Columbus thattraveling with Springsteen is "not a bad way to bring it home ... withThe Boss, with The Boss."

As Obama stumped, his aides exudedconfidence about Tuesday's result, predicting a sweep of Wisconsin, Ohioand Iowa as well as other battleground states, clearing the necessary270 electoral votes to claim a second term.

"We see many paths to 270," said Obama senior adviser David Axelrod. "All those pathways are intact today."

Romney also campaigned Monday in Ohio as well as Florida, Virginia and New Hampshire.

WhileWisconsin has been a Democratic state in recent presidential elections,Obama is trying to fend off a late charge by Romney and running matePaul Ryan, a Badger State native.

Both sides see Ohio as a keystate. Many Obama aides believe that victory in Ohio would be fatal toRomney's candidacy; no Republican has won the presidency withoutcarrying Ohio.

After the Wisconsin and Ohio stops, Obama capped his campaign day and year with a sentimental journey to Iowa.

His2008 win there over Democratic rivals Hillary Rodham Clinton and JohnEdwards established him as a formidable national candidate. He rode thatmomentum all the way to the White House, where he fashioned a recordthat will be put to the test on Tuesday.

On Monday, the president told Des Moines residents: "I've come back to Iowa one more time to ask for your vote."

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